Conservation Agriculture – principles , benefits & problems
Conservation agriculture, as defined by the United Nations’ Food and Agriculture organisation (FAO), is “a farming system that promotes maintenance of a permanent soil cover, minimum soil…
Fertigation – an efficient method of fertilizer application
Fertigation is a method of fertilizer application in which fertilizer is incorporated within the irrigation water by the drip system. In this system fertilizer solution is distributed…
Greenhouse effect
What is greenhouse effect? When greenhouse gases such as carbon dioxide build in the atmosphere, they act like a blanket around the earth. When sunlight (mostly short-wave…
Impact of climate change
A changing climate impacts crop growth and human health, while many people may need to leave their homes. It places certain species at an increased risk of…
Impact of climate change on humans
Climate change impact people around the world in different ways. The level of impact depends on the climate of the area and the wealth of the country….
Jet Stream – causes , types & impact
What are Jet streams? Jet streams are narrow bands of strong meandering wind that generally blow from west to east all across the globe. Jet streams are…
Swell Waves
Swells are collections of waves produced by storm winds ranging hundreds of miles out to sea. In other words, a swell in the context of an ocean, sea…
How does the cryosphere affect global climate?
The cryosphere is those portions of Earth’s surface where water is in solid form. It includes sea ice, lake ice, river ice, snow cover, glaciers, ice caps,…
Humidity and its types
Water vapour present in the air is known as humidity. It is expressed quantitatively in different ways. The air containing moisture to its full capacity at a…
EVAPORATION AND CONDENSATION IN THE ATMOSPHERE
The amount of water vapour in the atmosphere is added or withdrawn due to evaporation and condensation respectively. Evaporation Evaporation is a process by which water is…